/* ============================================
   地面气象观测子页面样式表
   迪卓依思 · 地理志 (djoyce.com)
   对应文件: meteorology/surface-observation.html
   ============================================ */

/* --------------------------------------------
   1. Hero 首屏区域覆盖
   -------------------------------------------- */
.surface-hero {
    background: linear-gradient(160deg, #0a1a2e 0%, #1a3a5c 40%, #0d2137 100%);
}

.surface-hero .column-hero-content h1 .highlight {
    background: linear-gradient(135deg, #4FC3F7, #29B6F6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --------------------------------------------
   2. 观测要素卡片增强
   -------------------------------------------- */
.surface-elements .subcategory-card.element-card {
    border-top: 3px solid transparent;
    transition: var(--transition-base);
}

.surface-elements .subcategory-card.element-card:hover {
    border-top-color: var(--color-secondary);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.surface-elements .subcategory-icon {
    background: linear-gradient(135deg, #E3F2FD, #BBDEFB);
    box-shadow: 0 4px 12px rgba(2, 119, 189, 0.15);
}

.element-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: var(--space-sm);
}

.element-specs .spec {
    font-size: 0.75rem;
    padding: 3px 10px;
    background: var(--color-sky);
    color: var(--color-secondary-dark);
    border-radius: var(--radius-full);
    font-weight: 500;
}

.element-grid {
    grid-template-columns: repeat(3, 1fr) !important;
}

/* --------------------------------------------
   3. 观测仪器区域
   -------------------------------------------- */
.instruments-section {
    background: var(--color-card);
    padding: var(--space-4xl) 0;
}

.instruments-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.instrument-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
}

.instrument-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.instrument-visual {
    width: 100%;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #E3F2FD, #F5F5F5);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.instrument-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.instrument-card:hover .instrument-img {
    transform: scale(1.05);
}

.instrument-body {
    padding: var(--space-lg);
}

.instrument-body h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.instrument-body p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.instrument-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.instrument-tags span {
    font-size: 0.75rem;
    padding: 3px 10px;
    background: var(--color-sky);
    color: var(--color-secondary-dark);
    border-radius: var(--radius-full);
}

/* --------------------------------------------
   4. 数据亮点区域增强
   -------------------------------------------- */
.surface-data .data-spotlight-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.surface-data .data-card {
    background: var(--color-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    overflow: hidden;
    transition: var(--transition-base);
}

.surface-data .data-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.surface-data .data-card.full-width {
    grid-column: 1 / -1;
}

.surface-data .data-card h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.surface-data .data-card .data-source {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
    line-height: 1.6;
}

/* 中国站网地图 */
.china-map-container {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(180deg, #E8F5E9 0%, #E3F2FD 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.china-map-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* 日变化曲线 */
.diurnal-container {
    width: 100%;
    aspect-ratio: 16 / 10;
    background: #FAFAFA;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.diurnal-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* 风向玫瑰图 */
.windrose-container {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: #FAFAFA;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    max-height: 320px;
}

.windrose-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* 降水量图 */
.precip-container {
    width: 100%;
    aspect-ratio: 16 / 10;
    background: #FAFAFA;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.precip-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* 对比表格 */
.compare-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-lg);
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.compare-table thead {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
    color: white;
}

.compare-table th {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    font-weight: 600;
    font-size: 0.9375rem;
}

.compare-table td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.compare-table tbody tr:hover {
    background: var(--color-sky);
}

.compare-table tbody tr:nth-child(even) {
    background: rgba(227, 242, 253, 0.3);
}

.compare-table tbody tr:nth-child(even):hover {
    background: var(--color-sky);
}

.compare-table td:first-child {
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
}

/* --------------------------------------------
   5. 时间轴区域微调
   -------------------------------------------- */
.timeline-section .timeline-content p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}

/* --------------------------------------------
   6. 响应式适配
   -------------------------------------------- */
@media (max-width: 1023px) {
    .surface-data .data-spotlight-grid {
        grid-template-columns: 1fr;
    }

    .surface-data .data-card.full-width {
        grid-column: 1 / -1;
    }

    .element-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .instruments-grid {
        grid-template-columns: 1fr;
    }

    .china-map-container,
    .diurnal-container,
    .windrose-container,
    .precip-container {
        aspect-ratio: 16 / 10;
    }
}

@media (max-width: 767px) {
    .element-grid {
        grid-template-columns: 1fr !important;
    }

    .surface-data .data-card {
        padding: var(--space-lg);
    }

    .surface-data .data-card h3 {
        font-size: 1rem;
    }

    .china-map-container,
    .diurnal-container,
    .windrose-container,
    .precip-container {
        aspect-ratio: 4 / 3;
    }

    .compare-table {
        font-size: 0.8125rem;
    }

    .compare-table th,
    .compare-table td {
        padding: var(--space-sm) var(--space-md);
    }
}